Kev faib tawm ntawm cov khoom siv hlau
I-1 Ferrous Metals: Kuj tseem hu ua hlau thiab hlau cov ntaub ntawv, lawv suav nrog cov hlau ntshiab uas muaj ntau tshaj 90% cov ntsiab lus hlau, cam khwb cia hlau nrog 2% mus rau 4% cov ntsiab lus carbon, carbon steel nrog tsawg dua 2% cov ntsiab lus carbon, nrog rau ntau hom qauv hlau, stainless hlau, tshav kub- steel resistant, high-temperature alloys, nyob rau hauv precision hlau alloys, thiab lwm yam. chromium, manganese, thiab lawv cov alloys.
I-2 Nonferrous Metals: Xa mus rau tag nrho cov hlau thiab lawv cov alloys uas tsis yog hlau, chromium, thiab manganese, thiab feem ntau muab faib ua lub teeb hlau, hlau hnyav, hlau muaj nuj nqis, semimetals, tsis tshua muaj hlau, thiab cov hlau tsis tshua muaj hauv ntiaj teb, thiab lwm yam.
I-3 Cov Hlau Tshwj Xeeb: suav nrog cov khoom siv hlau thiab cov khoom siv hlau ua haujlwm rau ntau lub hom phiaj.
